<template>
	<div ref="rightPanel" :class="{show:show}" class="rightPanel-container">
		<div class="rightPanel-background" />
		<div class="rightPanel">
			<div class="rightPanel-items">
				<slot />
			</div>
		</div>
	</div>
</template>

<script>
    import { addClass, removeClass } from '@/utils';

    export default {
        name: 'RightPanel',
        props: {
            clickNotClose: {
                default: false,
                type: Boolean
            },
            buttonTop: {
                default: 250,
                type: Number
            }
        },
        computed: {
            show: {
                get() {
                    return this.$store.state.settings.showSettings;
                },
                set(val) {
                    this.$store.dispatch('settings/changeSetting', {
                        key: 'showSettings',
                        value: val
                    });
                }
            },
            theme() {
                return this.$store.state.settings.theme;
            }
        },
        watch: {
            show(value) {
                if (value && !this.clickNotClose) {
                    this.addEventClick();
                }
                if (value) {
                    addClass(document.body, 'showRightPanel');
                } else {
                    removeClass(document.body, 'showRightPanel');
                }
            }
        },
        mounted() {
            this.insertToBody();
            this.addEventClick();
        },
        beforeDestroy() {
            const elx = this.$refs.rightPanel;
            elx.remove();
        },
        methods: {
            addEventClick() {
                window.addEventListener('click', this.closeSidebar);
            },
            closeSidebar(evt) {
                const parent = evt.target.closest('.rightPanel');
                if (!parent) {
                    this.show = false;
                    window.removeEventListener('click', this.closeSidebar);
                }
            },
            insertToBody() {
                const elx = this.$refs.rightPanel;
                const body = document.querySelector('body');
                body.insertBefore(elx, body.firstChild);
            }
        }
    };
</script>

<style>
.showRightPanel {
  overflow: hidden;
  position: relative;
  width: calc(100% - 15px);
}
</style>

<style lang="scss" scoped>
.rightPanel-background {
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity .3s cubic-bezier(.7, .3, .1, 1);
  background: rgba(0, 0, 0, .2);
  z-index: -1;
}

.rightPanel {
  width: 100%;
  max-width: 260px;
  height: 100vh;
  position: fixed;
  top: 0;
  right: 0;
  box-shadow: 0px 0px 15px 0px rgba(0, 0, 0, .05);
  transition: all .25s cubic-bezier(.7, .3, .1, 1);
  transform: translate(100%);
  background: #fff;
  z-index: 40000;
}

.show {
  transition: all .3s cubic-bezier(.7, .3, .1, 1);

  .rightPanel-background {
    z-index: 20000;
    opacity: 1;
    width: 100%;
    height: 100%;
  }

  .rightPanel {
    transform: translate(0);
  }
}

.handle-button {
  width: 48px;
  height: 48px;
  position: absolute;
  left: -48px;
  text-align: center;
  font-size: 24px;
  border-radius: 6px 0 0 6px !important;
  z-index: 0;
  pointer-events: auto;
  cursor: pointer;
  color: #fff;
  line-height: 48px;
  i {
    font-size: 24px;
    line-height: 48px;
  }
}
</style>
